netdev - Re: [PATCH] netfilter: don't need to initialize instance

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Message-ID: <AANLkTin6u9ZkSNAoxR7az5yBW-WM0RebPcCrOMOYgFrP@mail.gmail.com>
Date:	Thu, 9 Dec 2010 22:27:24 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Jan Engelhardt <jengelh@...ozas.de>
Cc:	Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] netfilter: don't need to initialize instance_table

On Thu, Dec 9, 2010 at 10:03 PM, Jan Engelhardt <jengelh@...ozas.de> wrote:
>
> This is here for correctness and documentation. If the hlist
> implementation changed, one would have a hard time figuring out the
> callsites which then need to add the initialization back.
>

I am quite sure there are other users rely on this assumption. So who
wants to change the macro INIT_HLIST_HEAD() has to review all the
code. It is a huge task, but can't be avoided.

For now, calling INIT_HLIST_HEAD() has no benefit, but wastes CPU
cycles and increases the image size.

Thanks.

-- 
Regards,
Changli Gao(xiaosuo@...il.com)
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